CVE-2026-12669
Analyzed Analyzed - Analysis Complete

BaseFortify

Publication date: 2026-10-19

Last updated on: 2026-10-23

Assigner: IBM Corporation

Description
IBM MQ could allow an authenticated attacker to trigger a minor out-of-bounds read when sending malformed compressed data, though the data is not disclosed and the request is rejected.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-19
Last Modified
2026-10-23
Generated
2026-11-08
AI Q&A
2026-10-19
EPSS Evaluated
2026-11-07
NVD
CVE-2026-12669
EUVD
EUVD-2026-104464

Affected Vendors & Products

Showing 109 associated CPEs
Vendor Product Version / Range
ibm mq_operator From 2.0.0 (inc) to 2.0.29 (inc)
ibm mq_operator From 3.2.0 (inc) to 3.2.29 (inc)
ibm mq_operator 3.3.0
ibm mq_operator 3.4.0
ibm mq_operator 3.4.1
ibm mq_operator 3.5.0
ibm mq_operator 3.5.1
ibm mq_operator 3.5.2
ibm mq_operator 3.5.3
ibm mq_operator 3.6.0
ibm mq_operator 3.6.1
ibm mq_operator 3.6.2
ibm mq_operator 3.6.3
ibm mq_operator 3.6.4
ibm mq_operator 3.7.0
ibm mq_operator 3.7.1
ibm mq_operator 3.7.2
ibm mq_operator 3.8.0
ibm mq_operator 3.8.1
ibm mq_operator 3.9.0
ibm mq_operator 3.9.1
ibm mq_operator 3.9.2
ibm mq_operator 4.0.0
ibm mq_operator 4.0.1
ibm mq_operator 4.0.2
ibm mq_operator 4.0.3
ibm mq_operator 4.0.4
ibm supplied_mq_advanced_container_images 9.4.1.0
ibm supplied_mq_advanced_container_images 9.4.1.0
ibm supplied_mq_advanced_container_images 9.4.1.1
ibm supplied_mq_advanced_container_images 9.4.2.0
ibm supplied_mq_advanced_container_images 9.4.2.0
ibm supplied_mq_advanced_container_images 9.4.2.1
ibm supplied_mq_advanced_container_images 9.4.2.1
ibm supplied_mq_advanced_container_images 9.4.3.0
ibm supplied_mq_advanced_container_images 9.4.3.0
ibm supplied_mq_advanced_container_images 9.4.3.1
ibm supplied_mq_advanced_container_images 9.4.3.1
ibm supplied_mq_advanced_container_images 9.4.3.1
ibm supplied_mq_advanced_container_images 9.4.4.0
ibm supplied_mq_advanced_container_images 9.4.4.0
ibm supplied_mq_advanced_container_images 9.4.4.0
ibm supplied_mq_advanced_container_images 9.4.4.0
ibm supplied_mq_advanced_container_images 9.4.4.1
ibm supplied_mq_advanced_container_images 9.4.5.0
ibm supplied_mq_advanced_container_images 9.4.5.0
ibm supplied_mq_advanced_container_images 9.4.5.1
ibm supplied_mq_advanced_container_images 10.0.0.0
ibm supplied_mq_advanced_container_images 10.0.0.0
ibm supplied_mq_advanced_container_images 10.0.0.0
ibm supplied_mq_advanced_container_images 10.0.0.0
ibm supplied_mq_advanced_container_images 10.0.0.5
ibm supplied_mq_advanced_container_images 9.3.0.0
ibm supplied_mq_advanced_container_images 9.3.0.0
ibm supplied_mq_advanced_container_images 9.3.0.0
ibm supplied_mq_advanced_container_images 9.3.0.1
ibm supplied_mq_advanced_container_images 9.3.0.1
ibm supplied_mq_advanced_container_images 9.3.0.1
ibm supplied_mq_advanced_container_images 9.3.0.1
ibm supplied_mq_advanced_container_images 9.3.0.3
ibm supplied_mq_advanced_container_images 9.3.0.4
ibm supplied_mq_advanced_container_images 9.3.0.4
ibm supplied_mq_advanced_container_images 9.3.0.5
ibm supplied_mq_advanced_container_images 9.3.0.5
ibm supplied_mq_advanced_container_images 9.3.0.5
ibm supplied_mq_advanced_container_images 9.3.0.6
ibm supplied_mq_advanced_container_images 9.3.0.10
ibm supplied_mq_advanced_container_images 9.3.0.10
ibm supplied_mq_advanced_container_images 9.3.0.11
ibm supplied_mq_advanced_container_images 9.3.0.11
ibm supplied_mq_advanced_container_images 9.3.0.15
ibm supplied_mq_advanced_container_images 9.3.0.16
ibm supplied_mq_advanced_container_images 9.3.0.16
ibm supplied_mq_advanced_container_images 9.3.0.17
ibm supplied_mq_advanced_container_images 9.3.0.17
ibm supplied_mq_advanced_container_images 9.3.0.17
ibm supplied_mq_advanced_container_images 9.3.0.20
ibm supplied_mq_advanced_container_images 9.3.0.20
ibm supplied_mq_advanced_container_images 9.3.0.21
ibm supplied_mq_advanced_container_images 9.3.0.21
ibm supplied_mq_advanced_container_images 9.3.0.21
ibm supplied_mq_advanced_container_images 9.3.0.25
ibm supplied_mq_advanced_container_images 9.4.0.0
ibm supplied_mq_advanced_container_images 9.4.0.0
ibm supplied_mq_advanced_container_images 9.4.0.0
ibm supplied_mq_advanced_container_images 9.4.0.5
ibm supplied_mq_advanced_container_images 9.4.0.5
ibm supplied_mq_advanced_container_images 9.4.0.6
ibm supplied_mq_advanced_container_images 9.4.0.6
ibm supplied_mq_advanced_container_images 9.4.0.7
ibm supplied_mq_advanced_container_images 9.4.0.10
ibm supplied_mq_advanced_container_images 9.4.0.10
ibm supplied_mq_advanced_container_images 9.4.0.11
ibm supplied_mq_advanced_container_images 9.4.0.11
ibm supplied_mq_advanced_container_images 9.4.0.11
ibm supplied_mq_advanced_container_images 9.4.0.12
ibm supplied_mq_advanced_container_images 9.4.0.12
ibm supplied_mq_advanced_container_images 9.4.0.15
ibm supplied_mq_advanced_container_images 9.4.0.15
ibm supplied_mq_advanced_container_images 9.4.0.16
ibm supplied_mq_advanced_container_images 9.4.0.16
ibm supplied_mq_advanced_container_images 9.4.0.17
ibm supplied_mq_advanced_container_images 9.4.0.17
ibm supplied_mq_advanced_container_images 9.4.0.20
ibm supplied_mq_advanced_container_images 9.4.0.21
ibm supplied_mq_advanced_container_images 9.4.0.21
ibm supplied_mq_advanced_container_images 9.4.0.25
ibm supplied_mq_advanced_container_images 9.4.0.25
ibm supplied_mq_advanced_container_images 9.4.0.26

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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Executive Summary

This vulnerability in IBM MQ allows an authenticated attacker to send malformed compressed data that triggers a minor out-of-bounds read. The system detects the issue, rejects the request, and does not disclose any data.

Detection Guidance

The CVE description does not provide specific detection methods or commands. Detection would typically involve monitoring for malformed compressed data sent to IBM MQ or checking for out-of-bounds read events in logs.

Impact Analysis

The impact is limited. It may cause a denial of service by rejecting valid requests due to the malformed data. No data exposure or privilege escalation occurs.

Compliance Impact

The vulnerability involves a minor out-of-bounds read in IBM MQ when processing malformed compressed data, but the data is not disclosed and the request is rejected. This limits the potential impact on compliance with standards like GDPR or HIPAA, as no data exposure occurs.

Mitigation Strategies

Apply the latest IBM MQ security patches or updates as soon as they are available to address the out-of-bounds read issue in compressed data handling.

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